Your vehicle has a Driver Information Center (DIC).
The DIC display gives you the status of many of your vehicle's systems. The DIC is also used to display driver personalization menu modes and warning/status messages. All messages will appear in the DIC display, located at the bottom of the instrument panel cluster.
The DIC buttons are
located on the left side of
the steering wheel.
INFO (Information): Press this button to scroll through the vehicle information mode displays.
(Reset): Press this button to
reset some vehicle
information mode displays, select a personalization
menu mode setting, or acknowledge a warning
message.
Press and hold the information and reset buttons at the same time for one second, then release the buttons to enter the personalization menu. See DIC Vehicle Personalization for more information.
Chevrolet Cobalt Service & Repair Manual. Crankshaft Main Bearing Clearance Measure
Method A
1.
Measure the crankshaft bearing journal
diameter with a micrometer in several places, 90 degrees apart.
Average the measurements.
2.
Measure the crankshaft bearing journal
taper and runout.
...